Cap of an injection device



FIG. 1 is a perspective view of a cap of an injection device showing our new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a side elevation view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

FIG. 8 is a first perspective view thereof;

FIG. 9 is a second perspective view thereof;

FIG. 10 is a front view thereof;

FIG. 11 is a back view thereof;

FIG. 12 is a side view thereof;

FIG. 13 is a top view thereof; and,

FIG. 14 is a bottom view thereof.

The broken lines show portions of the design that form no part of the claimed design. 

CLAIM The ornamental design for a cap of an injection device, substantially as shown and described. 